Rob Evans has won awards for his work both on corruption scandals and for promoting freedom of information. With a colleague Paul Lewis, he wrote a book, Undercover, about the infiltration of undercover police officers into political groups over the past 40 years. Their blog on the subject can be found here. He is also the author of Gassed: British chemical warfare experiments on humans at Porton Down (House of Stratus, 2000).Email rob.evans@theguardian.com or follow him on Twitter

How does it feel to discover the father of your child doesn't exist? Or that the man you live with has a wife and children? Four women deceived for years by undercover policemen tell their stories. By Rob Evans and Paul Lewis

Guardian exclusive - how police spies stole identities of dead children, Brian Logan finds out how Mrs Brown's Boys became a smash hit and in our audiobook review we listen to science fiction with William Gibson and James P Blaylock.